
Earth's horizon above the Pacific Ocean off the coast of Chile.

Paris, France, the "City of Light."

The U.S. Cygnus cargo craft and Russia's Soyuz crew ship.

A waxing gibbous moon

The coast of Brazil and the mouth of the Amazon River.

Carol "Bird Song" Harrison is a quality assurance specialist (QAS) working in the Mission Assurance Branch at NASA's Langley Research…

What is a black hole? A black hole is an astronomical object with a gravitational pull so strong that nothing,…

The Earth's limb, or horizon, is pictured from the International Space Station.

Vienna, Austria, is pictured during a night pass from the International Space Station.

The sun's glint beams off the Atlantic Ocean creating a bright golden sheen.